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require_relative '../../spec_helper'
require_relative 'fixtures/classes'
require_relative 'shared/tell'
describe "StringIO#pos" do
it_behaves_like :stringio_tell, :pos
end
describe "StringIO#pos=" do
before :each do
@io = StringIOSpecs.build
end
it "updates the current byte offset" do
@io.pos = 26
@io.read(1).should == "r"
end
it "raises an EINVAL if given a negative argument" do
-> { @io.pos = -10 }.should raise_error(Errno::EINVAL)
end
it "updates the current byte offset after reaching EOF" do
@io.read
@io.pos = 26
@io.read(1).should == "r"
end
end
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